read (x0);
read (x1);
read (x2);
read (x3);
y := ((((560<x2)>699*x0!!(98!=x0)!=(64<=497))>((938!=378)*(x0<x1)&&(x2<x1)==(753&&439)))+((((508!!955)>=x2-936)<=(401>=687)+(x2!!x1))-((x2!=755)*(x2!!979)==(x1*44!!515>=x1)))<((((x2>x3)<(277&&x0)&&(337<x3&&x0+x3))>(((x3==x0)>=x3+688)>(x1+257!=x3+142)))>=((x0>763)!=401*967&&(x1&&998)<(x1!=x3))-(((605>=x0)<=(x2>=772))+(99+x2)*(x0<x1)))&&((((x3<x2!!604*x2)>((x1<x2)==983-278))>((1+x0&&x2<=264)==((x1==645)==(x0<=x1))))!=((x2*x1!=(851&&358))-(x2-x1&&938<511))*(((x2>=x2)>(831<x1))+((965-x0)-(x2==324))))*(((x2&&x2)+(x1<x3)<(829<712&&823>x0))-((842<=776&&(145&&312))&&795+x1==(x2<x1))&&((x2&&492)-33*x2!!(262<=x2)<(319!=791))+(((x1!=969)<=247-399)==(x0>x1!!x1<251))))<=((((((x3<x3)+(79&&x1))+(x0>=x3!!(388!!133))&&((749==x3)<=(767!!x2))-(527*495>=(89>=970)))>(((653<x3)<x3*x1)>(x3<=746&&x2>295))+((258+63)+(214<=122)==(929-50)*(264+x1)))<=(((168<=x0)*(936!=x1)!!(601!!x0)-(x1==x2))>((370!=996)-(402-548)<(671*491>686-x2)))*(((42-x3)-(750>=x1)>=((636&&x0)&&356!=x3))-((x2!=x3&&30<=x2)!=((x0!=x2)>=x3*581))))>(((((965&&704)<=(x2==219))>(x3&&x2!!x2>x3))<=((x1&&313)+(x0<=x3)&&806*188+(x2&&x1))&&((701>=x2!!x2>172)==((648<693)>(x3>44)))<=(x1<=x3&&x0+157!!(935>x0!!314*251)))<((((x0>652)>=(x3>687))<=((x2!!469)!=(x2!!x0))!!(x1<x3)+(x3!=795)==(x3-103==(454<352)))>((55*963&&(x2!!372))<=((429<854)>=502*532)!!((x2==x1)+(318<=431))-(x2*601<(x2==x2))))));
write (y)